change minimum cmake version to 2.6

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e5bf46b..8ef71b2 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 2.6)
 
 PROJECT(ubox C)
 ADD_DEFINITIONS(-Os -Wall -Werror --std=gnu99 -g3)